Сероводород
0:00 Электронное строение
1:03 Физические свойства и нахождение в природе
1:49 Кислотные свойства
3:01 Восстановительные свойства
6:18 Способы получения
5 years ago 00:00:39 11
9 years ago 00:01:06 43
2 years ago 00:20:33 8
1 year ago 00:08:35 1
8 years ago 00:02:56 31
10 years ago 00:09:16 141
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5 years ago 00:09:28 1
1 year ago 00:15:35 24
3 years ago 00:09:07 75
4 years ago 00:11:13 1
2 years ago 00:08:54 6
12 years ago 00:05:06 33
6 years ago 00:06:04 1
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2 years ago 00:14:49 1
1 year ago 00:07:15 1
2 years ago 00:13:45 109
6 years ago 00:14:36 1
4 years ago 00:05:04 1
5 years ago 00:04:17 12
7 years ago 00:00:17 1
2 years ago 00:00:36 2
10 years ago 00:20:09 102
